Reference Prosign CT
# CT — Morse Prosign Meaning CT −·−·− Starting signal / Attention Listen to CT Meaning
Starting signal / Attention Usage
Sent before the first word of a message to alert the receiving station Notes
Also written as KA. Used in formal traffic to signal the start of a message. Morse Pattern
−·−·− Sent as a single prosign (no inter-character gap) ← K All Prosigns AS →
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Canonical: https://morsely.org/learn/prosign/ct